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https://issues.apache.org/jira/browse/JCR-1784?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12639948#action_12639948
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Christophe Lombart commented on JCR-1784:
-----------------------------------------

Done. Thanks for your contribution.  

Do you want to see the latest path in the branch 1.5 ? 
I'm not sure that is critical for the release 1.5. 



> OCM:The UUID of the collection elements changes on update.
> ----------------------------------------------------------
>
>                 Key: JCR-1784
>                 URL: https://issues.apache.org/jira/browse/JCR-1784
>             Project: Jackrabbit
>          Issue Type: Bug
>          Components: jackrabbit-ocm
>    Affects Versions: 1.5.0
>            Reporter: Boni Gopalan
>            Assignee: Christophe Lombart
>             Fix For: 1.5.0
>
>         Attachments: JCR-1784.additional.bonigopalan, 
> JCR-1784.bonigopalan.patch
>
>   Original Estimate: 3h
>  Remaining Estimate: 3h
>
> On ocm.update transaction, the  Current implementation of 
> DefaultCollectionConverterImpl recreates the colleciton-element nodes if 
> there is no id field specificaiton.  This is completely valid for majority of 
> the cases.  But I came across a case where the colleciton element has a uuid 
> field.  In this case also what is happening with the current implementation 
> is that it drops all the elements from the old collection-elements and 
> recreates the new ones.  The major flip side is that now I am left with brand 
> new UUIDs.  I think we should address the uniqueness characteristics 
> specified through UUID also while mapping colleciton elements.
> I have a patch and a TestCase to verify the same.  I have implemented it only 
> for the digester.  If people feel the approach is right I will work out an 
> annotation based testcase as well.  I do not think it is going to fail even 
> with annotations.

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